Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code BOOCR 20200404.601 143 Mhh.VSOLJ BOOTT 20200404.618 134 Mhh.VSOLJ UMAMR 20200404.609 140 Mhh.VSOLJ VIRQZ 20200404.592 104 Mhh.VSOLJ Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 30cmL